Search results for hormones

“Aging compromises muscle strength and bone density, altering the signaling pathways that coordinate their function. These pathways involve myokines—hormone-like proteins released by muscle during exercise that help regulate metabolism, enhance muscle performance, and support bone formation.”

“They also had higher blood concentrations of melatonin and lower levels of prostaglandin D2, a pro-inflammatory mediator. Melatonin is a hormone produced deep within the brain, in the pineal gland.”

“During NREM sleep, the body produces growth hormone, which plays a role in metabolism. The findings from this small study suggest that pink noise promotes deep sleep, driving improvements in cardiovascular function.”

“Leptin is a satiety hormone that signals the brain to balance energy. When body fat increases or decreases, blood concentrations of leptin change accordingly. Higher leptin levels signal the brain to reduce hunger and boost energy use.”

“A recent study found that vigorous exercise reduced cortisol—the body's primary stress hormone—by about 25% in response to an intense social stress task, compared to lower-intensity exercise.”

“The sympathetic nervous system's primary purpose is to stimulate the body's fight-or-flight response to stress. A critical element in this response is noradrenaline, a type of hormone and neurotransmitter that plays a role in vigilance and conditioned fear.”

“Stress depletes magnesium, underscoring its importance in stress management. Stress – both mental and physical – can lead to a significant decrease in magnesium levels, with stress hormones such as cortisol accelerating the mineral's depletion.”

“These adverse changes from sleep loss are then compounded by deleterious alterations in the body's levels of appetite hormones leptin and ghrelin, which lead to, as Dr. Walker terms it, an obesogenic profile of energy consumption as a consequence of potentially chronic sleep loss.”

“Biological sex differences play critical roles in health, a circumstance observed in the higher rates of severe outcomes or death among men diagnosed with COVID-19, despite nearly equal infection rates among both sexes.”

“They also align with other findings showing that vitamin D helps treat gingivitis (gum disease), a major cause of tooth loss. Vitamin D is a fat-soluble vitamin and hormone that participates in many physiological processes, including calcium balance, blood pressure regulation, immune function, and cell growth.”